Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* Copyright (C) 2019 Netronome Systems, Inc. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <net/snmp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <net/tls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifdef CONFIG_PROC_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) static const struct snmp_mib tls_mib_list[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	SNMP_MIB_ITEM("TlsCurrTxSw", LINUX_MIB_TLSCURRTXSW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	SNMP_MIB_ITEM("TlsCurrRxSw", LINUX_MIB_TLSCURRRXSW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	SNMP_MIB_ITEM("TlsCurrTxDevice", LINUX_MIB_TLSCURRTXDEVICE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	SNMP_MIB_ITEM("TlsCurrRxDevice", LINUX_MIB_TLSCURRRXDEVICE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	SNMP_MIB_ITEM("TlsTxSw", LINUX_MIB_TLSTXSW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	SNMP_MIB_ITEM("TlsRxSw", LINUX_MIB_TLSRXSW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	SNMP_MIB_ITEM("TlsTxDevice", LINUX_MIB_TLSTXDEVICE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	SNMP_MIB_ITEM("TlsRxDevice", LINUX_MIB_TLSRXDEVICE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	SNMP_MIB_ITEM("TlsDecryptError", LINUX_MIB_TLSDECRYPTERROR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	SNMP_MIB_ITEM("TlsRxDeviceResync", LINUX_MIB_TLSRXDEVICERESYNC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	SNMP_MIB_SENTINEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static int tls_statistics_seq_show(struct seq_file *seq, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	unsigned long buf[LINUX_MIB_TLSMAX] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	struct net *net = seq->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	snmp_get_cpu_field_batch(buf, tls_mib_list, net->mib.tls_statistics);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	for (i = 0; tls_mib_list[i].name; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		seq_printf(seq, "%-32s\t%lu\n", tls_mib_list[i].name, buf[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int __net_init tls_proc_init(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #ifdef CONFIG_PROC_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	if (!proc_create_net_single("tls_stat", 0444, net->proc_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 				    tls_statistics_seq_show, NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #endif /* CONFIG_PROC_FS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void __net_exit tls_proc_fini(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	remove_proc_entry("tls_stat", net->proc_net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }